3907825220 has 24 divisors (see below), whose sum is σ = 8837697624. Its totient is φ = 1442889216.

The previous prime is 3907825219. The next prime is 3907825223. The reversal of 3907825220 is 225287093.

3907825220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 590295616 + 3317529604 = 24296^2 + 57598^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3907825223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7514789 + ... + 7515308.

It is an arithmetic number, because the mean of its divisors is an integer number (368237401).

Almost surely, 2^3907825220 is an apocalyptic number.

It is an amenable number.

3907825220 is an abundant number, since it is smaller than the sum of its proper divisors (4929872404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3907825220 is a wasteful number, since it uses less digits than its factorization.

3907825220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15030119 (or 15030117 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 3907825220 is about 62512.6004898213. The cubic root of 3907825220 is about 1575.1129802215.

The spelling of 3907825220 in words is "three billion, nine hundred seven million, eight hundred twenty-five thousand, two hundred twenty".